Nothing to worry about. the guard students are too busy breastling to notice what the bois are talking about.they're actually discussing this on the train, with the bodyguards right there
satou will become his mortal enemy when he corrupts them for real (without being aware of it)this is one of few times i think of this chapters as an cliffhanger since i want to see if that friendship sinked for good or it gets a fast fix
he is right thoI'm not a yuri fan myself, but I know enough to understand that what Sou did is like telling a fan of wholesome vanilla that the best part is when an NTR scumbag barges in and cucks the MC.